diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/bug843985.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/bug843985.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+
+for (x in (function() {
+    eval("arguments[0]");
+    yield;
+})())(function() {})